13. The Peripheral Nervous System

Which of the following structures is the outermost connective tissue layer surrounding an entire peripheral nerve?

What is the primary function of the peripheral nervous system?

Which of the following are parts of the vertebrate peripheral nervous system?

Which of the following structures is associated with unmyelinated axons in the peripheral nervous system (PNS)?

Which nerve of the sacral plexus is the largest and longest nerve in the body?

What does the somatic nervous system primarily control?

Through which region of the spinal cord do the nerves that innervate the lower limbs enter and exit?

Which of the following is the longest nerve in the human body?

What is the primary function of the somatic nervous system?

Where do the cervical spinal nerves originate in the central nervous system?

Most sensory afferent pain fibers enter the spinal cord by way of the ________ nerve roots.

Which of the following nerves does not arise from the brachial plexus?

Which division of the human nervous system carries signals to skeletal muscles?

Which nerve extends down the thumb side of the arm into the back of the hand?